EX-TRAFIRE
®
55SD
Operator Manual, Revision T-3 3-25
Plasma gas supply
The EX-TRAFIRE
®
55SD requires a compressed air supply from a compressor or cylinders, a high
pressure regulator should be fitted to either form of supply and be capable of delivering gas to the
filter on the system at a flow rate of 270 l/min at a pressure of 5�5 bar�
Gas type Air Nitrogen
Gas quality specification
Recommended Air quality:
ISO 8573-1 Class 1�2�2�
Air max� particle size: 0�1 microns,
class 1 ref� to ISO 8573,
Air max� oil: 0�1 mg / m3,
class 2 ref�: ISO 8573,
Air max� dewpoint: +3° C,
class 4 ref� to ISO 8573
Purity ≥ 99�99%
Gas quality Clean, moisture-free, without oil
Note: A poor quality gas supply has a detrimental effect on cut speeds, cut quality, reduced
thickness of material that can be cut and shorter consumable parts life�
WARNING
Do not allow the input gas pressure to exceed 10 bar/145 psi�
The filter bowl could explode if the pressure is exceeded�
Note: EX-TRAFIRE
®
55SD is equipped with a built-in filtration system�
Additional gas filtration
The Thermacut filtration system should be used when oil, moisture or other contaminants are found
in the air supply� In more severe cases the 3-stage filtration system should be used�
Gas supply EX-TRAFIRE
®
55SD
Water /
particle filter
Oil filter Oil vapor filter
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